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PS0020 Datasheet(PDF) 1 Page - Power IC Ltd. |
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PS0020 Datasheet(HTML) 1 Page - Power IC Ltd. |
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1 / 10 page  FEATURES • Up to 92% Efficiency. • Low Start-Up Voltage: 0.8V • Internal Synchronous Rectifier • Up to 100KHz Switching Allows Tiny External Components • 2.5V to 5V Output Range (Note 3) • Fully Discharged Shutdown Output Voltage • Logic Controlled Shutdown (<1 μA) • Pulse Skipping at Light Load for Extended Battery Life • Generates 3.3V at 20mA from Single AA Cell • Stable with Ceramic Output Capacitor • 6L SOT-26 Package APPLICATIONS • MP3 / MP4 players • PDAs and Organizers • Digital Cameras • Wireless Mice / Keyboards • Portable Medical Equipments • GPS Receivers • Remote controls • Wireless Headsets DESCRIPTION The PS0020 is a synchronous, step-up DC/DC converter delivering high efficiency in a 6-leads SOT-26 package. The device having an internal NMOS switch and PMOS synchronous rectifier has the capacity of supplying 3.3V at 20mA from a single AA cell input. A high frequency switching minimizes board area by allowing the use of tiny, low profile inductors and ceramic capacitors. The PS0020 provides automatic pulse skipping at light loads reducing supply current for extended battery life. At shutdown the PS0020 fully discharges the output to ground and takes very low supply current. The PS0020 is available in small SOT26 package with both fixed and adjustable output voltage versions. Low Iq Synchronous Boost Converter with Output Disconnect PS0020 TYPICAL APPLICATION Version 1.1 www.picsemi.com July 6, 2007 © 2007 Power IC. All Rights Reserved. 1 |
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